epicyon/daemon_get_css.py

124 lines
4.3 KiB
Python

__filename__ = "daemon_get_css.py"
__author__ = "Bob Mottram"
__license__ = "AGPL3+"
__version__ = "1.5.0"
__maintainer__ = "Bob Mottram"
__email__ = "bob@libreserver.org"
__status__ = "Production"
__module_group__ = "Core GET"
import os
import time
from httpcodes import http_304
from httpcodes import http_404
from httpcodes import write2
from httpheaders import set_headers_etag
from httpheaders import set_headers
from utils import get_css
from fitnessFunctions import fitness_performance
from daemon_utils import etag_exists
def get_style_sheet(self, base_dir: str, calling_domain: str, path: str,
getreq_start_time) -> bool:
"""Returns the content of a css file
"""
# get the last part of the path
# eg. /my/path/file.css becomes file.css
if '/' in path:
path = path.split('/')[-1]
path = base_dir + '/' + path
css = None
if self.server.css_cache.get(path):
css = self.server.css_cache[path]
elif os.path.isfile(path):
tries = 0
while tries < 5:
try:
css = get_css(self.server.base_dir, path)
if css:
self.server.css_cache[path] = css
break
except BaseException as ex:
print('EX: _get_style_sheet ' + path + ' ' +
str(tries) + ' ' + str(ex))
time.sleep(1)
tries += 1
if css:
msg = css.encode('utf-8')
msglen = len(msg)
set_headers(self, 'text/css', msglen,
None, calling_domain, False)
write2(self, msg)
fitness_performance(getreq_start_time,
self.server.fitness,
'_GET', '_get_style_sheet',
self.server.debug)
return True
http_404(self, 92)
return True
def get_fonts(self, calling_domain: str, path: str,
base_dir: str, debug: bool,
getreq_start_time) -> None:
"""Returns a font
"""
font_str = path.split('/fonts/')[1]
if font_str.endswith('.otf') or \
font_str.endswith('.ttf') or \
font_str.endswith('.woff') or \
font_str.endswith('.woff2'):
if font_str.endswith('.otf'):
font_type = 'font/otf'
elif font_str.endswith('.ttf'):
font_type = 'font/ttf'
elif font_str.endswith('.woff'):
font_type = 'font/woff'
else:
font_type = 'font/woff2'
font_filename = \
base_dir + '/fonts/' + font_str
if etag_exists(self, font_filename):
# The file has not changed
http_304(self)
return
if self.server.fontsCache.get(font_str):
font_binary = self.server.fontsCache[font_str]
set_headers_etag(self, font_filename,
font_type,
font_binary, None,
self.server.domain_full, False, None)
write2(self, font_binary)
if debug:
print('font sent from cache: ' +
path + ' ' + calling_domain)
fitness_performance(getreq_start_time, self.server.fitness,
'_GET', '_get_fonts cache',
debug)
return
if os.path.isfile(font_filename):
font_binary = None
try:
with open(font_filename, 'rb') as fontfile:
font_binary = fontfile.read()
except OSError:
print('EX: unable to load font ' + font_filename)
if font_binary:
set_headers_etag(self, font_filename,
font_type,
font_binary, None,
self.server.domain_full,
False, None)
write2(self, font_binary)
self.server.fontsCache[font_str] = font_binary
if debug:
print('font sent from file: ' +
path + ' ' + calling_domain)
fitness_performance(getreq_start_time, self.server.fitness,
'_GET', '_get_fonts', debug)
return
if debug:
print('font not found: ' + path + ' ' + calling_domain)
http_404(self, 21)